Plumbing Systems
108
Water Heater
Read all safety and operating information provided here
and in the manufacturer’s manual before attempting to
activate the water heater.
Know which type of Water Heater
is installed in your RV.
The water heater is designed to
heat water quickly and efficiently. It’s temperature is preset by
the manufacturer. Your RV’s water heater is turned ON & OFF
on the
Monitor Panel
.
NEVER operate the Water Heater
while empty
.
This can
result in
damage
to the tank and/or controls
that is NOT covered under the warranty.
• CHECK that the
Water Heater
is filled with water before use;
• ALWAYS open both the hot and cold water faucets when
filling the fresh water tank to allow air pockets to be forced
out of the water heater.
Draining and winterization
• If the RV will be stored over the winter, the
Water Heater
must be drained
to prevent damage from FREEZING.
• When WINTERIZING, it is recommended to
bypass
the
Water Heater and
remove
the
Anode Rod
, particularly
if introducing RV antifreeze into the plumbing system.
Odor from the hot water system
The running water from some fresh water sources may have a
rotten egg
smell. This is known as
sulfur water
. The oder is caused
by Hydrogen Sulfide gas (H
2
S) in the water, usually the result of
bacteria or chemical action. Generally, sulfur water is not harmful,
only unpleasant to smell.
Hydrogen Sulfide
(
rotten egg
)
odor
is not a service problem
.
See
page 192-181
, Basic Troubleshooting, Water Heater.
Also refer to the water heater manufacturer’s owner manual
for details on flushing to remove unpleasant odor.
High altitude deration
Your water heater is designed to work at elevations up to 4500 ft.
above sea level. At higher altitudes there is less oxygen in the air.
An inadequate supply of oxygen causes the air-fuel mixture to be
out of sync, which compromises combustion and can produce
Carbon Monoxide. At higher elevations, the water heater may
require
derating
(
a modification to compensate for the lack of
oxygen in the air
). If the water heater is not properly derated,
poor efficiency in heating the water may occur due to incomplete
combustion. You may also notice pilot outage caused by burner
lift-off or sooting from a yellow burner, indicating the possibility
of carbon monoxide.
For proper change out of the orifice
(
derating
)
consult with a local
propane company, your dealer, or the water heater manufacturer
.
If you smell propane gas,
STOP
immediately!
Follow the procedures listed
in the Propane System
section of this manual
before attempting to
operate the water heater.
Hydrogen gas may result
if you have NOT used
the water heater for
two weeks or more.
HYDROGEN GAS IS
EXTREMELY FLAMMABLE.
To reduce the risk of injury
under these conditions,
open the hot water faucet
for several minutes at the
kitchen sink before you use
any electrical appliance
connected to the hot water
system.
If hydrogen is present, you
may hear what sounds like
air escaping through the pipe
as the water begins to flow.
Hydrogen gas may be
present even after water has
been drained from the water
heater tank.
Open the faucet at the sink
and allow the system to vent
for five to ten minutes.
DO NOT smoke or have any
open flame near the open
faucet while venting.
On DSI water heater models,
make sure the switch is OFF.
WARNING
WARNING
Important NOTE:
for proper operation
of the water heater:
Any high altitude deration
or other adjustments
MUST BE REVERSED
when you return the RV
to lower elevation (
below
4500 feet
).
Summary of Contents for Reflection Fifth Wheel 150 Series
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